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61044354250 = 25311194872399
BaseRepresentation
bin111000110110100001…
…101110110011001010
312211120021201111110021
4320312201232303022
52000004323314000
644013212211054
74260510310165
oct706641566312
9184507644407
1061044354250
1123985a45950
12b9b7769a8a
1359aac26a99
142d51468adc
1518c429611a
hexe3686ecca

61044354250 has 128 divisors (see below), whose sum is σ = 131549184000. Its totient is φ = 20977704000.

The previous prime is 61044354187. The next prime is 61044354323. The reversal of 61044354250 is 5245344016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25444551 + ... + 25446949.

It is an arithmetic number, because the mean of its divisors is an integer number (1027728000).

Almost surely, 261044354250 is an apocalyptic number.

61044354250 is an abundant number, since it is smaller than the sum of its proper divisors (70504829750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61044354250 is a wasteful number, since it uses less digits than its factorization.

61044354250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 61044354250 its reverse (5245344016), we get a palindrome (66289698266).

The spelling of 61044354250 in words is "sixty-one billion, forty-four million, three hundred fifty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 11 19 22 25 38 50 55 95 110 125 190 209 250 275 418 475 487 550 950 974 1045 1375 2090 2375 2399 2435 2750 4750 4798 4870 5225 5357 9253 10450 10714 11995 12175 18506 23990 24350 26125 26389 26785 45581 46265 52250 52778 53570 59975 60875 91162 92530 101783 119950 121750 131945 133925 203566 227905 231325 263890 267850 299875 455810 462650 501391 508915 599750 659725 669625 1002782 1017830 1139525 1156625 1168313 1319450 1339250 2279050 2313250 2336626 2506955 2544575 3298625 5013910 5089150 5697625 5841565 6597250 11395250 11683130 12534775 12722875 12851443 22197947 25069550 25445750 25702886 29207825 44395894 58415650 62673875 64257215 110989735 125347750 128514430 146039125 221979470 244177417 292078250 321286075 488354834 554948675 642572150 1109897350 1220887085 1606430375 2441774170 2774743375 3212860750 5549486750 6104435425 12208870850 30522177125 61044354250